DWORD HookProc(HMODULE hModule, PCHAR szProc, DWORD dwHookAddr)
{
DWORD pProcAddr = (DWORD) GetProcAddress(hModule, szProc);
if (pProcAddr == NULL) return NULL; // function doesn't exists in current process
return HookProc (pProcAddr, dwHookAddr);
}
LRESULT CALLBACK MouseHookProc(int nCode, WPARAM wParam, LPARAM lParam)
{
DWORD wso;
if ( (nCode == HC_ACTION) && ((wParam == WM_MOUSEMOVE) || (wParam == WM_NCMOUSEMOVE)) ) {
wso = WaitForSingleObject(hSynhroMutex, 0);
if (wso == WAIT_OBJECT_0 || wso == WAIT_ABANDONED) {
HookProc( &(((PMOUSEHOOKSTRUCT)lParam)->pt) );
ReleaseMutex(hSynhroMutex);
}
}
return CallNextHookEx(GlobalData->g_hHook, nCode, wParam, lParam);
}
/*
* SendMessage Hook:
*/
LRESULT __declspec(dllexport) CALLBACK CallWndProc(INT hc, WPARAM wParam,
LPARAM lParam)
{
PCWPSTRUCT pcwps = (PCWPSTRUCT)lParam;
if (pcwps) {
int rv = HookProc(hc, &pcwps->hwnd, &pcwps->message,
&pcwps->wParam, &pcwps->lParam);
if (rv != -1)
return rv;
}
/*
* CallNextHookEx apparently ignores the hhook argument, so pass NULL
*/
return CallNextHookEx(NULL, hc, wParam, lParam);
}
/*
* PostMessage Hook:
*/
LRESULT __declspec(dllexport) CALLBACK GetMsgProc(INT hc, WPARAM wParam,
LPARAM lParam)
{
PMSG pmsg;
pmsg = (PMSG)lParam;
if (pmsg) {
int rv = HookProc(hc, &pmsg->hwnd, &pmsg->message,
&pmsg->wParam, &pmsg->lParam);
if (rv != -1)
return rv;
}
/*
* CallNextHookEx apparently ignores the hhook argument, so pass NULL
*/
return CallNextHookEx(NULL, hc, wParam, lParam);
}
LRESULT CALLBACK GetMessageHookProc(int nCode, WPARAM wParam, LPARAM lParam)
{
PMSG pMsg;
DWORD wso;
if( nCode == HC_ACTION && wParam == PM_REMOVE )
{
pMsg = (PMSG)lParam;
if( pMsg && ( pMsg->message == WM_MOUSEMOVE || pMsg->message == WM_NCMOUSEMOVE ) )
{
wso = WaitForSingleObject(hSynhroMutex, 0);
if (wso == WAIT_OBJECT_0 || wso == WAIT_ABANDONED)
{
POINT pt;
pt.x = GET_X_LPARAM( pMsg->lParam );
pt.y = GET_Y_LPARAM( pMsg->lParam );
if( pMsg->message == WM_MOUSEMOVE && pMsg->hwnd != NULL )
ClientToScreen( pMsg->hwnd, &pt );
HookProc( &pt );
ReleaseMutex(hSynhroMutex);
}
}
}
return CallNextHookEx(GlobalData->g_hHook, nCode, wParam, lParam);
}
DWORD HookProc(PCHAR szModule, PCHAR szProc, DWORD dwHookAddr)
{
HMODULE module = GetModuleHandle(szModule);
return HookProc (module, szProc, dwHookAddr);
}
